The City of Willoughby is a local government area on the Lower North Shore of Northern Sydney, in the state of New South Wales, Australia. It is located 6 kilometres north of the Sydney central business district. It was first proclaimed in October 1865 as the Municipality of North Willoughby. The main commercial centre of the City of Willoughby is Chatswood, home to one of Sydney's suburban skyscraper clusters. Other commercial centres are the suburbs of Willoughby, St Leonards and Artarmon.